Hackers' Pub

Syntax	Description	Examples
`"` keyword `"`	Finds the string within quotes, including spaces. Case-insensitive. (Escape quotes inside with `\"`)	`"Hackers' Pub"`
`from:` handle	Finds content written by the specified user.	`from:hongminhee` `from:hongminhee@hollo.social`
`lang:` ISO 639-1	Finds content written in the specified language.	`lang:en`
`#` tag	Finds content with the specified tag. Case-insensitive.	`#HackersPub`
condition condition	Finds content that satisfies both conditions on either side of the space (logical AND).	`"Hackers' Pub" lang:en`
condition `OR` condition	Finds content that satisfies at least one of the conditions on either side of the OR operator (logical OR).	`#HackersPub OR "Hackers' Pub" lang:en`
`(` condition `)`	Combines the operators within the parentheses first.	`(#HackersPub OR "Hackers' Pub" OR "Hackers Pub") lang:en`

Shawn Hymel @shawnhymel@masto.ai

11/18/2025, 3:44:10 PM

Public

MQTT is a lightweight messaging protocol widely used in #IoT systems. It was originally designed for monitoring oil pipelines over low-bandwidth, unreliable satellite links. Check out my latest blog post and video if you want to learn more about #MQTT!
👇
https://shawnhymel.com/3046/what-is-mqtt-an-introduction-to-the-lightweight-iot-messaging-protocol/?utm_source=mastodon&utm_medium=social&utm_campaign=esp32_iot_course_evergreen

What is MQTT? An Introduction to the Lightweight IoT Messaging Protocol - Shawn Hymel

If you’ve worked with Internet of Things (IoT) devices, you’ve probably come MQTT. Short for Message Queuing Telemetry Transport, MQTT is one of the most

shawnhymel.com · Shawn Hymel

If you have a fediverse account, you can quote this note from your own instance. Search https://masto.ai/users/shawnhymel/statuses/115571467889814620 on your instance and quote it. (Note that quoting is not supported in Mastodon.)